Senior Criminal Investigator

City and County of DenverDenver, CO
Onsite

About The Position

The City and County of Denver District Attorney's Office is seeking a Senior Criminal Investigator. The mission of the office is to professionally and competently prosecute crimes and investigate criminal activity on behalf of the people of the State of Colorado and to seek equal justice for all in the criminal justice system. This includes crime prevention and deterrence, supporting victims, community participation, transparency, accountability, and improving the criminal justice system with fair alternatives to incarceration. The Senior Criminal Investigator will be responsible for the proper investigation of assigned cases, interviewing complainants, victims, and witnesses, and keeping supervisors informed of case progress. They will also prepare exhibits for trial, obtain criminal histories, locate witnesses, serve subpoenas, and provide logistical support. Additionally, they will assist prosecutors with tasks such as crime scene photographs and follow-up interviews, and ensure the safety of victims and witnesses. The role involves competent presentation of evidence in court and administrative hearings, providing accurate testimony, and cooperating with other units within the District Attorney's Office and external law enforcement agencies. The investigator will also make requests for physical evidence examination and conduct property viewings. A key aspect of the role is the prevention and suppression of crime through investigative procedures, directing efforts towards crime prevention, suppression, and the detection and apprehension of suspects, while maintaining confidentiality to avoid jeopardizing investigations or apprehensions. Investigators are expected to perform proactively and consistently with the organizational philosophy of vertical prosecution, working under direct supervision and general direction, with assignments requiring extensive independent judgment and planning.

Requirements

  • Extensive knowledge of the civil and criminal law enforcement principles, procedures and techniques, statutes and ordinances applicable to the 2nd Judicial District of Colorado; extensive knowledge of the policies and procedures of the Office of the District Attorney
  • Extensive knowledge of police procedures; ability to gain working knowledge of accounting, polygraph, or other specialized investigative fields
  • Skill in interviewing; ability to gather, record and synthesize data; demonstrable interpersonal skills
  • Ability to prepare complete and accurate reports, warrants, affidavits, evidence lists, audio-visual aids, etc. as required for case preparation, filing and prosecution
  • Ability to operate standard office equipment, e.g., personal computer, iPad (tablet), fax, and copier. Proficiency in word processing and database programs, at minimum.
  • Familiarity with police investigative databases and software, including criminal information databases and forensic downloading software
  • Ability to perform all peace officer related duties; ability to act/react in stressful and threatening situations; ability to control (physically, if necessary) uncooperative individuals; ability to operate and demonstrate skill in the use of vehicles and other related equipment utilized in investigative work
  • Ability to complete and maintain firearm qualification standards, required arrest control, and firearms-retention training.
  • Ability to maintain DPD firearm certification
  • Ability to independently conduct complicated, sensitive, and long-term criminal investigations under minimal direction
  • Ability to adjust and meet the changing demands and needs of the position
  • Bachelor's Degree in Criminal Justice or a related field
  • Four (4) years of previous police experience, two (2) of which must be at the level of Criminal Investigator (e.g. Police Detective) or any equivalent combination of education and experience
  • One (1) year of the appropriate type and level of experience may be substituted for each required year of post-high school education.
  • Additional appropriate education may be substituted for the minimum experience requirements
  • A valid Driver's License at the time of application.
  • Requires a certification as a Colorado Peace Officer (POST) at the time of application.
  • Licenses and certifications must be kept current as a condition of employment

Responsibilities

  • Responsible for the proper investigation of cases assigned to them.
  • Interview complainants, victims and witnesses without delay, properly identify themselves and if appropriate, periodically consult with complainants and victims regarding the progress of cases until they have been officially closed.
  • Attempt to notify crime victims when there is a change in the status of their case, and include the details in their supplemental report.
  • Keep their supervisor informed on the progress of cases assigned to them.
  • Prepare exhibits for trail, obtain criminal histories, obtain certified court convictions.
  • Locate witness and serve subpoenas.
  • Provide transportation and other logistical support as needed.
  • Make arrangement to ensure safety of victims and witnesses.
  • Assist prosecutor as needed, e.g. crime scene photographs, follow-up interviews with victims and witnesses.
  • Responsible for the proper preparation of court cases and the competent presentation of evidence in court or at hearings.
  • Provide complete and accurate testimony in court proceedings and/or administrative hearings.
  • Provide reasonably requested information and assistance to other units within the Office of the District Attorney and maintain an efficient level of cooperation and coordination in affected areas.
  • Assist and maintain close cooperation and positive working relationships with other law enforcement agencies.
  • Make requests for the examination of physical evidence to the Forensics and Evidence Division.
  • Solely authorized and vetted authority to conduct property viewings.
  • Through investigative procedures, investigators will direct their best efforts in the prevention and suppression of crime, and in the detection and apprehension of criminal suspects.
  • Under no circumstances will they make public any information that might jeopardize the successful completion of the investigation or the apprehension of a perpetrator.
  • Investigators employed by the 2nd Judicial District Attorney’s Office are expected to perform proactively and consistently with the organizational philosophy of vertical prosecution.
  • Each Investigator works under the direct supervision of the case supervisor and the general direction of their respective team’s Chief Deputy District Attorney and Senior Deputy District Attorney.
  • Independent case supervision may be performed by the assigned prosecutor.
  • Work assignments are either minimally or operationally defined and require extensive exercise of independent judgment and planning.

Benefits

  • A guaranteed life-long monthly pension, once vested after 5 years of service
  • 457B Retirement Plan
  • 132 hours of PTO earned within first year
  • 12 Paid Holidays per year, plus 1 personal holiday
  • Education Refund Program (ERP)
  • Care Bank – 8 weeks of Paid Family Leave (after the probation period is passed)
  • Free RTD Eco Pass
  • Competitive medical, dental and vision plans effective within 1 month of start date
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service